v3.24.3
Accumulated Other Comprehensive Loss - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Stockholders' equity attributable to parent, beginning balance     $ 9,520  
Stockholders' equity attributable to parent, ending balance $ 7,492   7,492  
Foreign currency translation [Member]        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Stockholders' equity attributable to parent, beginning balance (909) $ (926) (816) $ (987)
Other comprehensive income/(loss) before reclassifications 94 (85) 1 (24)
Loss reclassified from accumulated other comprehensive loss (net of income tax) 0 0 0 0
Net current-period other comprehensive income/(loss) 94 (85) 1 (24)
Stockholders' equity attributable to parent, ending balance (815) (1,011) (815) (1,011)
Derivative instruments [Member]        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Stockholders' equity attributable to parent, beginning balance [1] 11 12 11 9
Other comprehensive income/(loss) before reclassifications [1] 2 (2) 3 1
Loss reclassified from accumulated other comprehensive loss (net of income tax) [1] 0 0 (1) 0
Net current-period other comprehensive income/(loss) [1] 2 (2) 2 1
Stockholders' equity attributable to parent, ending balance [1] 13 10 13 10
Defined pension and post-retirement benefit costs [Member]        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Stockholders' equity attributable to parent, beginning balance (2,023) (1,626) (2,051) (1,643)
Other comprehensive income/(loss) before reclassifications 0 (1) 0 (1)
Loss reclassified from accumulated other comprehensive loss (net of income tax) 15 8 43 25
Net current-period other comprehensive income/(loss) 15 7 43 24
Stockholders' equity attributable to parent, ending balance (2,008) (1,619) (2,008) (1,619)
Total [Member]        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Stockholders' equity attributable to parent, beginning balance (2,921) (2,540) (2,856) (2,621)
Other comprehensive income/(loss) before reclassifications 96 (88) 4 (24)
Loss reclassified from accumulated other comprehensive loss (net of income tax) 15 8 42 25
Net current-period other comprehensive income/(loss) 111 (80) 46 1
Stockholders' equity attributable to parent, ending balance $ (2,810) $ (2,620) $ (2,810) $ (2,620)
[1] Reclassification adjustments from accumulated other comprehensive loss related to derivative instruments are included in Revenue and Salaries and benefits in the accompanying condensed consolidated statements of comprehensive income. See Note 9 — Derivative Financial Instruments for additional details regarding the reclassification adjustments for the derivative settlements.